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编辑当前文件:/home/mybf1/public_html/botol.bf1.my/wp-content/themes/sinatra/assets/js/skip-link-focus-fix.js

"use strict";

/**
 * File skip-link-focus-fix.js
 *
 * Helps with accessibility for keyboard only users.
 * This is the source file for what is minified in the astra_skip_link_focus_fix() PHP function.
 *
 * Learn more: https://github.com/Automattic/_s/pull/136
 */
(function () {
  var is_webkit = navigator.userAgent.toLowerCase().indexOf('webkit') > -1,
      is_opera = navigator.userAgent.toLowerCase().indexOf('opera') > -1,
      is_ie = navigator.userAgent.toLowerCase().indexOf('msie') > -1;

if ((is_webkit || is_opera || is_ie) && document.getElementById && window.addEventListener) {
    window.addEventListener('hashchange', function () {
      var id = location.hash.substring(1),
          element;

if (!/^[A-z0-9_-]+$/.test(id)) {
        return;
      }

element = document.getElementById(id);

if (element) {
        if (!/^(?:a|select|input|button|textarea)$/i.test(element.tagName)) {
          element.tabIndex = -1;
        }

element.focus();
      }
    }, false);
  }
})();